[NH:1]1[CH2:6][CH2:5][C:4](=O)[NH:3][C:2]1=O.C([N:16]1C=C[N:18]=[C:17]1CCN)C1C=CC=CC=1>>[NH:1]1[CH:6]=[C:5]2[C:4]([N:16]=[CH:17][NH:18]2)=[N:3][CH2:2]1Treatment of oxazole 1 with n-BuLi, followed by an alkylation reaction, and a deprotection reaction with TFA affords 2-(oxazol-2-yl)ethanamine 3. Amine 3 can be coupled with dihydropurine 4 to give compound 6.
Wird geladen…